CURRENT BAND CONDX =
Solar-terrestrial indices for 21 March follow.
Solar flux 69 and estimated planetary A-index 4.
The estimated planetary K-index at 1800 UTC on 22 March was 2.
No space weather storms were observed for the past 24 hours.
No space weather storms are predicted for the next 24 hours.
WHISKY ( WHITE )
ALERT CONDITION: WHISKY ( WHITE )
Thursday, March 22, 2018 - 18:46 GMT - UPDATE # 38
OPERATIONAL FORECAST. - GEOMAGNETIC FIELD.
The geomagnetic field is expected to be quiet to active, with a likely
late period of G1 (Minor) conditions on day one (22 Mar) due to CH HSS
effects. Days two and three
(23-24 Mar) are likely to experience quiet to active conditions, with a
chance for G1 conditions on day three, due to continued CH HSS effects.
.- SOLAR ACTIVITY.
Solar activity is expected to be very low all three days (22-24 Mar).
LIGHTNING - (QRN) HF OPERATIONAL
BRIEFING - CURRENT CONDITIONS IN DETAIL CURRENT SOLAR
CONDITIONS VISIBLE DISK
G/S/R SCALES USED DEF'S USED LIGHTNING - (QRN)
HF OPERATIONAL BRIEFING - CURRENT CONDITIONS IN DETAIL
CURRENT SOLAR CONDITIONS
Solar activity was very low and the visible disk remained spotless. No CMEs were observed in available coronagraph imagery.
RADIO BLACKOUTS - SOLAR STORMS - GEOMAGNETIC STORMS
The geomagnetic field was quiet.
"D" LAYER - HF ATTENUATION LEVELS
AURORA - NORTH POLE - SHORT PATH